Github user aarondav commented on a diff in the pull request:
https://github.com/apache/spark/pull/2264#discussion_r17096387
--- Diff: core/src/main/scala/org/apache/spark/rdd/RDD.scala ---
@@ -1128,6 +1128,9 @@ abstract class RDD[T: ClassTag](
* @return an array of top elements
*/
def takeOrdered(num: Int)(implicit ord: Ordering[T]): Array[T] = {
+ if (num == 0) {
+ return new Array[T](0)
--- End diff --
It's very minor, but `Array.empty` would be slightly more canonical.
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